>gnl|EMDB+PDB|6973.1 ref_db_acc:5ZWN strand_id:G description:pre-mRNA
AAAAAAAAAAGGUAUGUAUUAA
>gnl|EMDB+PDB|6973.2 ref_db_acc:5ZWN strand_id:P description:U1 snRNA
AUACUUACCUUAAGAUAUCAGAGGAGAUCAAGAAGUCCUACUGAUCAAACAUGCGCUUCCAAUAGUAGAAGGACGUUAAGCAUUUAUCAUUGAACUAUAAUUGUUCAUUGAAGUCAUUGAUGCAAACUCCUUGGUCACACACACAUACGGCGCGGAAGGCGUGUUUGCUGACGUUUCCAUUCCCUUGUUUCAAUCAUUGGUUAAUCCCUUGAUUCCUUUGGGGAUUUUUGGGUUAAACUGAUUUUUGGGGCCCUUUGUUUCUUCUGCCUGGAGAAGUUUGACACCAAAUUCAAAUUGGUGUUAGGGGAGCUGGGGCCUUUCAAAAGAGAGCUUUGUAGAGGCAUUCUUUUUGACUACUUUUCUCUAGCGUGCCAUUUUAGUUUUUGACGGCAGAUUCGAAUGAACUUAAGUUUAUGAUGAAGGUAUGGCUGUUGAGAUUAUUUGGUCGGGAUUGUAGUUUGAAGAUGUGCUCUUUUGAGCAGUCUCAACUUUGCUCGUUCCCGUUAUGGGAAAAAUUUUGGAAGGUCUUGGUAGGAACGGGUGGAUCUUAUAAUUUUUGAUUUAUUUU